<!--
 * @Autor: Ruohong Yu
 * @Date: 2022-09-13 23:14:06
 * @Description: file content
 * @FilePath: \ebook\src\components\detail\DetaiTitle.vue
-->
<template>
  <div class="detail-title-wrapper" :class="{'hide-shadow': ifHideShadow}">
    <div class="title-left-wrapper" @click="back">
      <span class="icon-back"></span>
    </div>
    <div class="title-right-wrapper">
      <span class="icon-shelf icon" v-if="showShelf" @click="showBookShelf"></span>
      <span class="icon-share" v-else></span>
    </div>
    <div class="title-text" v-if="title">
      {{title}}
    </div>
  </div>
</template>

<script type="text/ecmascript-6">
export default {
  props: {
    title: String,
    showShelf: {
      type: Boolean,
      default: true
    }
  },
  data () {
    return {
      ifHideShadow: true
    }
  },
  methods: {
    showBookShelf () {
      this.$router.push('/store/shelf')
    },
    showShadow () {
      this.ifHideShadow = false
    },
    hideShadow () {
      this.ifHideShadow = true
    },
    back () {
      this.$emit('back')
    }
  }
}
</script>

<style lang="scss" rel="stylesheet/scss" scoped>
  .detail-title-wrapper {
    position: relative;
    display: flex;
    width: 100%;
    height: px2rem(42);
    box-shadow: 0 px2rem(2) px2rem(2) 0 rgba(0, 0, 0, .1);
    font-size: px2rem(20);
    color: #666;
    &.hide-shadow {
      box-shadow: none;
    }
    .title-left-wrapper {
      position: relative;
      z-index: 200;
      flex: 1;
      margin-left: px2rem(15);
      @include left;
    }
    .title-right-wrapper {
      position: relative;
      z-index: 200;
      flex: 1;
      margin-right: px2rem(15);
      @include right;
    }
    .title-text {
      position: absolute;
      top: 0;
      left: 0;
      z-index: 100;
      width: 100%;
      height: px2rem(42);
      font-size: px2rem(16);
      color: #333;
      @include center;
    }
  }
</style>
